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The effect of environmental temperature and humidity on the rectal temperature of calves

Published online by Cambridge University Press:  27 March 2009

W. R. Beakley  and
J. D. Findlay
W. R. Beakley
Affiliation:
The Hannah Dairy Research Institute, Kirkhill, Ayr
J. D. Findlay
Affiliation:
The Hannah Dairy Research Institute, Kirkhill, Ayr
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Extract

1. The rectal temperatures of three 4-month-old Ayrshire bull calves were measured in individual 6 hr. daily exposures to 15, 20, 25, 30, 35 and 40° C. dry-bulb temperature at low humidity (17 mg./l. absolute humidity) and to 30, 35 and 40° C. at high humidity (7 mg./l. saturation deficit). The experiments on each animal lasted 45 consecutive days and consisted of five replications of these nine environmental conditions. Measurements of rectal temperature were made every 5 min.

2. The rectal temperatures of the animals rose with increasing environmental temperature and humidity.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 45 , Issue 3 , February 1955 , pp. 339 - 352
Copyright
Copyright © Cambridge University Press 1955

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References

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